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Blown lithium battery

A lot of buzz on the interwebs about Samsung mobile phone batteries. Whilst Samsung devices do seem particularly problematic, it can be an issue with lithium polymer batteries generally – especially the super skinny type. They really don’t like getting hot.

I confess I documented this repair rather badly but I did remember to capture a few snaps, fortunately. A few months ago, we noticed the back was bursting off my wife’s Clevo N141ZU skinny GNU/Linux laptop. When I removed the back casing, this is what I found…

Severely blown lithium ion laptop battery.
Severely blown lithium ion laptop battery.

So I removed the battery immediately. It proved a somewhat fiddly job to get it out – I lost count of the tiny screws that needed to be removed. And it was out-of-warranty, of course. Red ellipse shows where the battery goes…

Old battery removed, ready for replacement.
Old battery removed, ready for replacement.

I found a replacement on Ali Express for fifty quid including VAT – just over a third of the price that it would have cost from a European distributor. Which of course meant that she had to run it on mains power for a few weeks.

Eventually the replacement battery pack arrived and I fitted it. The machine now works fine. It even sits flat on the workbench again…

BBC HD testcard "W" loaded to test everything works OK
BBC HD testcard “W” loaded to test everything works OK

In fairness, my wife tends to use laptops as lap-warmers. She often has four YouTube windows running, monitoring her favourite stork nests, and she rebuilds her Gwenview thumbnails and browser cache every session. So it was getting a tad warm at times! 🙂

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